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Monthly Archives: September 2010

Over the past few weeks I’ve been working at getting Moshtemp to work entirely in the raster package. I’ve been aided greatly by the author of that package, Robert, who has been turning out improvements to the package with regularity. For a while I was a bit stymied by some irregularities in getting source from

After my recent posts fiddling around with heat maps for pitch location, Jason at It's About the Money, Stupid contacted me to ask if I would contribute some location maps for Yankee pitchers. Obviously, I couldn't pass up the chance to contribute to ...

As this year's admin, I wrote up the following summary which has now been
posted at the R site in the appropriate slot. My thanks to
this year's students, fellow mentors and everybody else who helped to make it
happen.
...

Last week, George Casella and I worked around the clock on starting the third edition of Monte Carlo Statistical Methods by detailing the changes to make and designing the new table of contents. The new edition will not see a revolution in the presentation of the material but rather a more mature perspective on what

Just announced: World Bank Data features and data are available. Previous posts have demonstrated how to access and plot this data using R (including the use of the R WDI package). The chart above can be created using the following pr...

R is designed to make it easy to clearly express statistical ideas in code, but when it come to writing code that runs as fast as possible, there are a few tips, tricks and caveats to be aware of. As part of the BioConductor conference this past summer, Martin Morgan prepared a tutorial on efficient R programming. (Patrick Abouyen...

HOMOPHILY + MAPS WITHOUT MAPPING SOFTWARE In the past, Decision Science News has posted about homophily (“birds of a feather shop together“) and cool, lightweight visualizations (“maps without map packages in R“). Today, both topics come together in Eric Fischer’s fascinating set of images on Flickr called “Race and Ethnicity”(*). According to Eric: Red is

A few months ago I switched my laptop from Windows to Ubuntu Linux. I had been connecting to my corporate SQL Server database using RODBC on Windows so I attempted to get ODBC connectivity up and running on Ubuntu. ODBC on Ubuntu turned into an exercise in futility. I spent many hours over many days

I compared the results of my fantasy football draft with the results of more than 1500 mock drafts at the Fantasy Football Calculator (FFC). I looked at where player X was drafted in our league, subtracted off the average draft … Continue reading →